CN1204803C - Combineharvester - Google Patents

Abstract

The present invention relates to a combine harvester. A harvesting part at the front part of a body is provided with a lifting part, a cutting knife and a transporting mechanism, wherein the lifting part is used for pulling in grain straws which are not harvested; the cutting knife is used for cutting off the roots of the grain straws which are not harvested; the transporting mechanism is used for supporting harvested grain straws in the transverse posture and transporting the harvested grain straws. A threshing part at the back side of the body is provided with a threshing cylinder and a sorting mechanism, wherein the threshing cylinder is used for threshing the grain straws which are supplied by the harvesting part; the sorting mechanism is used for separating and taking out grains and grass of threshing objects which fall below the threshing cylinder. The present invention is characterized in that a fulcrum table is vertically arranged at the front part of a table which is provided with a walking track, the fulcrum table uses a supporting shaft to support a rotary fulcrum shaft of the harvesting part, and the upper end of the fulcrum table is tilted forwards and downwards and can be freely opened and closed.

Description

Combine

Technical field

The present invention relates to a kind of to plant in the fields rice or wheat while gathering in the combine that grain is also collected in threshing simultaneously.

Background technology

Combine of the prior art, liftable reaping part freely is installed in the place ahead of shelling portion, and erectly be provided with at the careless plate rear side of the branch of reaping part front portion and propping up box, setting rake and going into band, bottom transveyer and top transveyer etc. propping up the box rear side, paddy stalk one side drag of propping up in the field is gone on one side, cut off root with cutter, the paddy stalk of harvesting is delivered to the shelling portion at rear.

There is following problem in above-mentioned prior art.Promptly, in the board front straight that traveling crawler is installed the fulcrum platform is set on the spot, the rotating fulcrum axle can installed under the reaping part situation on the fulcrum platform freely by fulcrum supporting in lifting, when unloading reaping part, must move it with up mentioning reaping part, this operation is cumbersome, also needs equipment that lifts by crane reaping part etc., can not unload reaping part easily, simply and carry out maintenance activity.In addition, the piston rod of oil hydraulic cylinder is connected on the body frame of reaping part and makes in the structure of reaping part lifting, when on body frame, forming mount pad,, improved the manufacturing cost of body frame though can reduce component number.In addition, be provided with in the reaping part front portion under the situation of the careless plate of branch and since make the careless plate of branch be fixed on the careless frame of branch, dividing careless frame to be connected on the harvest frame, so, can not easily make the cost reduction by the manufacturing of minute careless frame.Because the careless bar of branch of strengthening dividing the effect of careless plate branch grass is installed on the careless frame of branch, so, divide the processing charges of careless frame to improve more.In addition, the top transveyer that transports the awns portion of receiving harvested cereal culm is provided with and transports cover, and this transports cover and is formed by punch process, so the cost height.In addition, transport cover though be provided with on the rake that the paddy stalk is drawn in towards the cutter direction goes into to be with, paddy stalk and this transport the cover periphery and slip, and block easily, and in addition, the mounting structure that rake is gone into the bottom transveyer of band and its rear side is difficult for simplifying.

Summary of the invention

The present invention makes in view of the above problems, combine of the present invention, reaping part in the body front side is provided with the not portion that props up of harvested cereal culm that draws in, cut off the cutter of harvested cereal culm root not and the conveyer of paddy stalk that has gathered in to lay across the posture supporting and to be transported, shelling portion at the body rear side is provided with supplying with the threshing cylinder that the paddy stalk that comes carries out shelling from reaping part, separate with the grass bits with the grain of the shelling thing that will fall this threshing cylinder below, the sorting mechanism that takes out, in above-mentioned combine, in the board front straight that traveling crawler is installed the fulcrum platform is being set on the spot, the rotating fulcrum axle of this fulcrum platform axle supporting reaping part, this fulcrum platform upper end tilts downwards forward and can open and close freely.Owing to the fulcrum platform is tilted and open, under the state that reaping part is landed,, just can break away from the rotating fulcrum axle, otherwise being advanced by traveling crawler just can be embedded in the rotating fulcrum axle on the fulcrum platform forward downwards as long as traveling crawler is retreated.Thereby do not need special equipment just can easily carry out the handling operation of reaping part, the operation of unloading reaping part and keeping in repair is oversimplified.

Because it is to be provided with the oil hydraulic cylinder that makes the reaping part lifting, and platen is fixed on the body frame of reaping part with bolt, the piston rod front end of oil hydraulic cylinder is connected on the platen, so, can make the simple shape of reaping part body frame, can adopt cheap platen to be connected, the manufacturing cost of body frame is reduced with oil hydraulic cylinder.

Because it is that the harvest frame that cutter is installed is forwards prolonged, and divides careless plate with bolt, so, do not need the careless frame of branch before, the mounting structure of the careless plate of branch is oversimplified, and can be reduced manufacturing cost.

Because it is being used to make the careless bar front end of the branch that does not separate about harvested cereal culm to be fixed on the careless plate of branch, so by the careless bar of branch is installed on the careless plate of branch, just do not need the careless frame of branch before, can make the careless plate of branch and divide the mounting structure simplification of careless bar also can reduce manufacturing cost.

Because it is to be provided with to be used to transport the top transveyer that is cut off the paddy stalk awns side of root by cutter, the cover that transports of this top transveyer is combined to form with iron flat board and square steel, so, do not need punch process, can reduce the manufacturing cost of transporting cover.

Because it is to be provided with the rake of giving cutter harvested cereal culm not to go into to be with, this cover that transports of harrowing above the band forms with iron flat board, its outer peripheral edges are bending upward slightly vertically, so, with transport the paddy stalk that slips of cover periphery, can not be stuck in and transport the cover periphery by the shape of bending upward, can harrow into the paddy stalk and give cutter with suitable posture.

Because being the supporting member that transports clampingly by the bottom transveyer of the paddy stalk of cutter cut-outs, it is also used as the supporting member that rake is gone into band, so the mounting structure that can make bottom transveyer and rake go into to be with is simple, and can reduce manufacturing cost.

Since it be the portion of propping up prop up left and right sides width that not harvested cereal culm between the box draws in portion slightly central part setting harvest frame, this harvest frame releasably is installed with, so, except lining up the not harvested cereal culm that omits a straight line, when the paddy stalk of harvesting irregular alignment, just can easily reduce the not harvested cereal culm amount that is overwhelmed by the careless plate of branch to harvest frame and little shape by dividing careless plate to unload.

Because it is to weld stiffener in the harvest frame side, on joint is fixed on stiffener lateral margin on the harvest frame, form otch, so, stiffener has been installed after, can easily be weldingly fixed on other member on the harvest frame by above-mentioned otch.

Description of drawings

Fig. 1 is the integral right end view of combine.

Fig. 2 is the left side view of combine shown in Figure 1.

Fig. 3 is the vertical view of combine shown in Figure 1.

Fig. 4 is the side-looking key diagram of reaping part.

Fig. 5 is the key diagram of overlooking of reaping part.

Fig. 6 is the side-looking key diagram of shelling portion.

Fig. 7 is the amplification key diagram of shelling portion.

Fig. 8 is the key diagram of overlooking of top transveyer.

Fig. 9 is the key diagram of facing of top transveyer.

Figure 10 is the key diagram of overlooking of the portion of propping up.

Figure 11 is the vertical view of harvest frame.

Figure 12 is the end view of harvest frame.

Figure 13 is the vertical view that rake is gone into band portion.

Figure 14 is the enlarged side view that rake is gone into band portion.

Figure 15 is the vertical view that rake is gone into band portion.

Figure 16 is a vertical view of propping up box portion.

The sectional elevation of Figure 17 harvest frame.

Figure 18 is the end view of fulcrum platform portion.

Figure 19 is the enlarged drawing of fulcrum platform portion.

Figure 20 is the front view of fulcrum platform portion.

Figure 21 is the decomposition key diagram of fulcrum platform portion.

Embodiment

Below, explain embodiments of the invention with reference to accompanying drawing.

As Fig. 1, Fig. 2, shown in Figure 3, pair of right and left traveling crawler (1) (1) is installed on walked frame (2), board (3) is erected on the walked frame (2).Shelling portion (4) is installed on the board (3).Threshing cylinder (5) is located in the shelling portion (4).Reaping part (8) is installed on the fulcrum platform (6) by rotating fulcrum axle (7), and this fulcrum platform (6) is located at shelling portion (4) front side.Reaping part (8) is by elevating oil cylinder (9) lifting, and cutter (10) and paddy stalk conveyer (11) are located on the reaping part (8).On the board (3) on reaping part (8) right side, bridge (12) is being set, on bridge (12), be equipped with driver behavior portion (15) and the driver's seat (16) that is provided with right and left side clutch bar (13), (14) etc.Engine (17) is located at the inside of driver's seat (16) downside.In the back of the bridge (12) on shelling portion (4) right side, be provided with grain case (18) and pack operation post (19).The operator is sitting on the driver's seat (16), continuously while use engine (17) drive traveling crawler (1), reaping part (8) and shelling portion advance (4) walking, gather in paddy stalk on the land for growing field crops by reaping part (8), paddy stalk under the harvesting is supplied with shelling portion (4) carry out shelling, grain is delivered in the above-mentioned case (18) again.In addition, fixing fuel tank (171) on the board (3) of shelling portion (4) rear portion downside, this fuel tank (171) is used to deposit the fuel of engine (17).In pack operation post (19) one sides of shelling portion (4) downside, the large-scale fuel filter (172) that easy maintenance is installed and has durability can carry out the operations such as replacing of filter (172) from operation post (19).

As Fig. 4, shown in Figure 5, be provided with 5 branches grass plates (20), 4 in the portion that props up (30) of reaping part (8) and prop up box (21), 4 pocket-wheels (22) and rake and go into band (23).5 branch grass plates (20) are divided into 4 row to the not harvested cereal culm on the land for growing field crops.Propping up box (21) for 4 erects the paddy stalk between the careless plate of each minute (20).4 pocket-wheels (22) and rake are gone into band (23) and respectively the root side and the awns side-delivery rake of paddy stalk are gone into.Making not by the portion of propping up (30), harvested cereal culm erects, by cutter (10) paddy stalk root is gathered in operation with cutting off.In the paddy stalk conveyer (11) of reaping part (8), be provided with bottom transveyer (24), (25), (26), (27) that clamping transported with having received harvested cereal culm root side and top transveyer (28), (29) of transporting the awns side of receiving harvested cereal culm, receiving harvested cereal culm become to lay across posture supporting and transported, be fed to the shelling portion (4) of rear side.Not specific, the uneven big Tanaka of the line-spacing of not receiving harvested cereal culm, the paddy stalk that enters between the careless plate of each minute (20) is all gathered in.Right and left lamp (811), (811) of illumination the place ahead path are gone up, are installed with to the left and right sides tube support (812), (812) of propping up box (21) in supporting.Upper shelf (814) is fixed on the frame support bracket (813), and this frame support bracket (813) is fixed on the left tube support (811), and the lower side in upper shelf (814) is setting paddy stalk conveyer (11).

As Figure 6 and Figure 7, on board (3), form cubic box-shaped rack (31), front portion in frame (31) forms threshing chamber (32), in this threshing chamber (32), be provided with right handed threshing cylinder (5), this threshing cylinder (5) outer peripheral face is provided with a plurality of threshing teeth (33), and the axis of threshing cylinder (5) slightly is parallel to direction of travel.Be provided with in the below of this threshing cylinder (5) and accept net (34), this is accepted net (34) and opens on straw outlet (36) part in addition that the demarcation strip (35) that is located at threshing cylinder (5) rearward end forms.Rear at threshing chamber (32) forms Lysimachia sikokiana path (37).

Be provided with sorting mechanism (38) in the below of threshing chamber (32), setting swing separator plate (39).This swing separator plate (39) is made of stream paddy plate (40), the horizontal grid (41) that leak down, sieve line (42) and branch network selection (43).Stream paddy plate (40) is located at the summary below of accepting net (34).The horizontal grid (41) that leak down are provided with towards the rear along the below of Lysimachia sikokiana path (37) with extending.Sieve line (42) is located at terminal part.Branch network selection (43) is located at the bottom of horizontal grid (41).By the rotation of eccentric shaft (44), make axis direction (fore-and-aft direction) swing of swing separator plate (39) along threshing cylinder (5), the grass bits are delivered to the rear and grain is fallen.

Below at swing separator plate (39) is provided with air vane (45), first elongated slot (46), second elongated slot (47).Air vane (45) up blows sorting wind towards a minute network selection (43).The grain that first elongated slot (46) acceptance falls from a minute network selection (43).Second elongated slot (47) is accepted the grain that falls from the horizontal grid (41) that leak down and the mixture of straw.Enter the grain in first elongated slot (46), the tube (50) of winnowing by in spiral plate shape first transveyer (48) in first elongated slot (46) and the spiral plate shape transveyer is shifted into grain case (18) from input port, upper end (49).Enter the grain and the mixture of straw in second elongated slot (47), by spiral plate shape second transveyer (51) in second elongated slot (47), be sent back to the horizontal grid (41) that leak down of swinging separator plate (39) above.

Left surface in frame (31) is provided with the shelling transveyer of transferring along threshing cylinder (5) axis direction from the paddy stalk of reaping part (8) (52).On the rear portion of frame (31), be provided with acceptance from the Lysimachia sikokiana that transports terminal of shelling transveyer (52) and with its Lysimachia sikokiana transveyer (53) that moves to frame (31) rear.The paddy stalk of supplying with from the posture of laying across of reaping part (8), rearward discharge by each transveyer (52), (53).Rear side in frame (31) is provided with straw discharge plate (54), from the straw of the posture of laying across of Lysimachia sikokiana transveyer (53) terminal, fall to frame (31) rear side land for growing field crops from discharge plate (54).Paddy stalk from reaping part (8) is accepted by shelling transveyer (52), by the mobile paddy stalk of shelling transveyer (52), by threshing cylinder (5) shelling, stalk after the threshing is a Lysimachia sikokiana, accept by Lysimachia sikokiana transveyer (53) from the terminal of transporting of shelling transveyer (52), be sent to the rear, fall in the field from straw discharge plate (54).

, fallen from accepting net (34) by the grain of shelling at threshing chamber (32), stream paddy plate (40) and branch network selection (43) by swing separator plate (39) enter in first elongated slot (46).Then, the grain in first elongated slot (46) is dropped into grain case (18) through transveyer (48), and 2 outlets below being formed on grain case (18) drop to 2 sacks of below, and each bag sealed.A plurality of empty wallets are hung on bar, when the sack that is contained in grain case (18) outlet has been filled grain, next pocket is installed to pack operation in the outlet of grain case (18) again.This operation is to be undertaken by the operator who stands on the operation post (19).On the other hand,, be sent to the processing cylinder (55) in left side from threshing chamber (32) rear portion, drop to after the threshing once more on the horizontal grid (41) that leak down of below not from accepting the big shelling things such as grass bits that net (34) falls.Under the swing effect of the sorting wind of air vane (45) and swing separator plate (39), heavy shelling thing is that grain falls from horizontal grid (41), big and light grass bits are above horizontal grid (41) through the line that sieves (42) and outside the discharge machine, and like this, grain and grass bits are by sorting.From the mixture that horizontal grid (41) fall, enter in second elongated slot (47), by second conveyer-screw in this second elongated slot (47), be sent back to horizontal grid (41) above, once more by sorting.

As shown in Figure 6, be provided with gearbox (56) in the front portion of walked frame (2), the output shaft (57) of engine (17) is connected by belt (59) with the power shaft (58) of gearbox (56), the power of engine (17) is passed to traveling crawler (1) by gearbox (56), and driving traveling crawler (1) advances or retreats.On gearbox (56), be provided with harvesting driving shaft (60), harvesting power shaft (61) is inserted in the above-mentioned rotating fulcrum axle (7) of tubular, to gather in power shaft (61) with belt (62) is connected with harvesting driving shaft (60), the power of engine (17) is passed to each drive division of reaping part (8) by gearbox (56), speed drive reaping part (8) with synchronous with the speed of travel gathers in operation.

As shown in Figure 6 and Figure 7, be provided with sorting driving box (63) in the place ahead of sorting mechanism (38), sorting driving shaft (64) is inserted in this case (63).With belt (65) output shaft of engine (17) (57) is connected with sorting driving shaft (64).With belt (66), (67), (68) sorting driving shaft (64) each one with sorting mechanism (38) is connected.Make swing separator plate (39) along the fore-and-aft direction swing, drive air vane (45) and each transveyer (48) (51), the shelling thing of falling threshing cylinder (5) below is separated into grain and grass bits, grain is collected.

Threshing cylinder drive pulley (69), is connected threshing cylinder drive pulley (69) by bevel gear etc. on sorting driving box (63) by fulcrum supporting with sorting driving shaft (64).The front end of the cylinder shaft (70) of supporting threshing cylinder (5) is provided with input belt pulley (71), will import belt pulley (71) with shelling driving belt (72) and be connected with threshing cylinder drive pulley (69).The front threshing mouth that gets around threshing cylinder (5) the place ahead is opened (73) and is established shelling driving belt (72), and the power of engine (17) is passed to threshing cylinder (5), makes threshing cylinder (5) rotation and carries out threshing.

As Fig. 8, shown in Figure 9, top transveyer (29) is provided with what several bolts (74) were slightly being fixed abreast and transports cover (75), (76) up and down.The rotatable fulcrum supporting of using freely of drive sprocket (77), driven sprocket (78) and driven pulley (79) is opened on it and is being established conveyer chain (80) between each cover (75), (76).Upward slightly several equally spaced are installed transports projection (81) at conveyer chain (80).Make this transport projection (81) and erect the outstanding inner face that rail (82) is fixed on cover (75), (76) that erects, the about half cycle from driven pulley (79) to drive sprocket (77), make by above-mentioned guide rail (82) and to transport projection (81) and erect.By iron up and down dull and stereotyped (83), (84) with square steel (85), (86) form and transport cover (75), (76) up and down.Above-mentioned up and down square steel (85), (86) are welded on the flat board (83), (84) outer peripheral edges of the about half cycle from driven pulley (79) to drive sprocket (77).Make projection (81) outstanding to foreign side from the gap of each square steel (85), (86).When making chain (80) rotation, transport projection (81) and just move, slipped with square steel (85), (86) on one side by the awns side of the paddy stalk of cutter (10) harvesting, by projection (81) continuously transported on one side.This top transveyer (29) is used to transport the awns side of having been cut off the paddy stalk of root by cutter (10), this top transveyer (29) transport cover (75), (76) are combined to form with flat board made of iron (83), (84) and square steel (85), (86), do not need punch process, can lower the manufacturing cost of transporting cover (75), (76).

As Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, shown in Figure 17,5 harvest frames (87) rearward end that is used to that cutter (10) is installed and props up box (21) bottom is fixed into one by pipe (88), about harvest frame (87) rear end, the outside be connected with body frame (89), the front end of pipe system harvest frame (87) forms flat, divide the installing plate (90) of careless plate (20) to be fixed on the front end plat part of harvest frame (87), divide the front end of careless bar (92) to be weldingly fixed on the installing plate (90) of the careless plate of branch (20) by bolt (91).Divide careless plate (20) and divide careless bar (92) that the not harvested cereal culm in the field is divided right and left, and importing is respectively propped up between the box (21), the harvest frame (87) that cutter (10) are installed is forwards prolonged and with the fixing careless plate (20) that divides of bolt (91), do not need the careless frame of branch before, make the mounting structure simplification of the careless plate of branch (20) and can reduce manufacturing cost.The careless bar of branch (92) front end that will be used to make harvested cereal culm not to divide right and left is fixed on the careless plate of branch (20), dividing careless bar (92) to be installed on the careless plate of branch (20), therefore, do not need the careless frame of former branch, can make the careless plate of branch (20) and divide the mounting structure of careless bar (92) to oversimplify, and reduce manufacturing cost.

The portion of propping up (30) prop up left and right sides width that not harvested cereal culm between the box (21) draws in portion slightly central part, setting harvest frame (87), this harvest frame (87) releasably is installed with bolt (871), except lining up the not harvested cereal culm that omits a straight line, when the paddy stalk of harvesting irregular alignment, unload bolt (871), divide harvest frame (87) and little shape careless plate (20) to unload, can reduce by the not harvested cereal culm amount of dividing careless plate (20) to overwhelm.Stiffener (872) is being welded in harvest frame (87) side in the leftmost side and the rightmost side, joint is fixed on stiffener (872) lateral margin on the harvest frame (87) and is formed with otch (873), after stiffener (872) has been installed, can easily be weldingly fixed on the installing plate (881) of pipe (88) on the harvest frame (87) by above-mentioned otch (873).In addition, about pipe (891), (892) be connected on the body frame (89), the harvesting driving shaft is inserted in pipe (891) inside, a left side that forms with casting processing, the crank mechanism (893) that drives cutter (10) is installed on left side pipe (891) and the pipe (88), right pipe (892) forms with general steel pipe, can reduce manufacturing cost.The side divider (874) that is used to make the not harvested cereal culm in reaping part (8) left side to leave body can rise and fall by fulcrum plate (875) and be installed in leftmost side harvest frame (87) freely, on the support plate (876) of harvest frame (87), fixing Height Adjustable cutter platform (878) by the axle collar (877) with bolt (879), installing and supporting Height Adjustable cutter (10) by cutter platform (878).

As Figure 13, shown in Figure 14, chain frame (94) is being fixed by fulcrum (93) in the top in harvest frame (87).On fulcrum (93), be provided with rotatable driven shaft (95).Pocket-wheel (22) and driven sprocket (96) are fixed on the driven shaft (95).Drive sprocket (97), dummy roll (98), idler roller (99) and chain lead part (100) are located on the chain frame (94), and driven sprocket (96) between, open and to establish the conveyer chain (101) of bottom transveyer (24).Belt holder (102) is welded on the chain frame (94).Prop up on the driven pulley (104) on the belt holder (102) at the drive pulley (103) and the axle that are fixed on the driven shaft (95), open establishing and harrow band (23), the driving force of conveyer chain (101) is passed to pocket-wheel (22) respectively and harrowed band (23), they are driven, go into band (23) by pocket-wheel (22) and rake and give cutter (10) the not harvested cereal culm on the land for growing field crops, conveyer chain (101) transports the paddy stalk that is cut off by cutter (10) clampingly.The cover (105) that transports that rake is gone into above the band (23) is fixed on above-mentioned (94), (102), after the bending downwards of the iron dull and stereotyped periphery of transporting cover (105) that forms, slightly vertically bend upward and form reflex part (106) transporting cover (105) outer peripheral edges again, can prevent from that the paddy stalk is stuck in to transport cover (105) outer peripheral edges, enter between cover (105) and the belt pulley (104) and be wound on the belt pulley (104).

(941) are rotatable is installed in freely on the chain frame (94) by axle for tensioner arm (942), and tensioning spring (944) is connected on this arm (942) by tension adjustment bolt (943).The rotatable earth's axis freely of idler roller (99) is propped up on tensioner arm (942).Prop up box (21) back side, bottom and be connected on the pillar (210), this pillar (210) uprightly is arranged on the harvest frame (87).Be provided with to transmit and prop up propping up of power and drive with longitudinal tubule (L tubule) (812) and transverse tube (212), longitudinal tubule (L tubule) (812) uprightly is arranged on the harvest frame (87), and transverse tube (212) is connected with the upper end in longitudinal tubule (L tubule) (812).Propping up box (21) back side, upper end for 4 is fixed on along on the slightly horizontally extending transverse tube of left and right directions (212).Bending in the middle of the paddy stalk guide body (213) that is formed by round bar is fixed on 2 of central authorities with its two ends and props up box (21), (21) back side.The paddy stalk awns carriage direction that the middle kink of paddy stalk guide body (213) is gone into band (23) and top transveyer (28), (29) towards rake extends, and goes into the paddy stalk awns portion that band (23) is sent to top transveyer (28), (29) by paddy stalk guide body (213) guiding from rake.

Form opening (214) at the back side of propping up box (21), the earth or the grass bits that enter in the box (21) are discharged from this opening (214).

As mentioned above, be provided with the rake of giving cutter (10) harvested cereal culm not and go into band (23), this is harrowed into the cover (105) that transports above the band (23) and is formed by iron flat board, with outer peripheral edges upwards bending slightly vertically, with transport the paddy stalk that cover (105) periphery slips, be not stuck in the periphery that transports cover (105) owing to the top bending shape of reflex part (106), can with the paddy stalk with suitable posture harrow into and give cutter (10), simultaneously, transport the paddy stalk that has cut off by cutter (10) clampingly by bottom transveyer (24), the supporting member of this bottom transveyer (24) is that chain frame (94) is also used as rake to go into the supporting member of band (23) be belt holder (102), so, the mounting structure that bottom transveyer (24) and rake are gone into band (23) is simple, and manufacturing cost is reduced.

As Figure 18, Figure 19, Figure 20, shown in Figure 21, pressing plate (107) is fixed on fulcrum platform (6) upper end by bolt (108), and rotating fulcrum axle (7) is by rotatable fulcrum platform (6) upper end that is installed in freely of pressing plate (107).Between the half-round recessed (109) on fulcrum platform (6) and the half-round recessed (110) of pressing plate (107), the above-mentioned fulcrum shaft (7) of tubular in clamping.The lower side of the recess (109) of fulcrum platform (6), opening obliquely downwards forward, after reaping part (8) is landed and unloading lower platen (107), by traveling crawler (1) is retreated, the recess (109) of fulcrum platform (6) breaks away from fulcrum shaft (7) with regard to retreating, reaping part (8) can be separated and unload.Otherwise when making traveling crawler (1) when advancing, the recess (109) of fulcrum platform (6) forwards stretches out, chimeric with fulcrum shaft (7), at this moment, pressing plate (107) is fixed on the fulcrum platform (6), just can installs reaping part (8) lifting freely with bolt (108).At fulcrum platform (6) above the rear portion, sorting driving box (63) is installed, left part in this case (63), axle is propping up sorting input belt pulley (631), at case (63) central part, axle is propping up threshing cylinder drive pulley (69), the right part in case (63), axle is propping up shelling driving pulley (632), and the power of engine (17) is passed to shelling portion (4) side from sorting driving box (63).Shelling depth adjustment motor (891) is installed on body frame (89).

As mentioned above, in the combine of the present invention, reaping part (8) in the body front side is provided with the not portion that props up (30) of harvested cereal culm that draws in, cut off the cutter of harvested cereal culm root (10) not and the paddy stalk that has gathered in the conveyer (11) of laying across the posture supporting and being transported shelling portion (4) at the body rear side, be provided with carry out the threshing cylinder (5) of shelling for the paddy stalk that comes from reaping part (8), separate the sorting mechanism (38) that takes out with the grain of the shelling thing that will fall this threshing cylinder (5) below with the grass bits, in board (3) front straight that traveling crawler (1) is installed fulcrum platform (6) is being set on the spot, this fulcrum platform (6) tilts downwards forward and can open and close freely with the rotating fulcrum axle (7) of fulcrum supporting reaping part (8), this fulcrum platform (6) upper end.Owing to make fulcrum platform (6) open obliquely forward downwards, under the state that reaping part (8) lands, as long as traveling crawler (1) is retreated, just can break away from rotating fulcrum axle (7), otherwise,, just can make rotating fulcrum axle (7) is embedded on the fulcrum platform (6) by advancing of traveling crawler (1).Do not need special equipment, just can easily carry out the handling operation of reaping part (8), the operation of unloading reaping part (8) and keeping in repair is oversimplified.

In addition, on the seat board (112) of oil hydraulic cylinder (9) by the rotatable pipe support (111) that is installed in board (3) downside freely of pin (113).Platen (114) is fixed on the body frame (89) with bolt (115).Piston rod (118) front end of oil hydraulic cylinder (9) is connected with platen (114) by lever pin (117), and this lever pin (117) is fixed on the platen (114) with bolt (116).Can regulate the bolt (119) that dips down of setting reaping part (8) freely and be located on the oil hydraulic cylinder (9), be integrally formed on platen (114) at reaping part (8) check plate (120) that joins with this bolt (119) that dips down.Like this, because the oil hydraulic cylinder (9) that makes reaping part (8) lifting is being set, and be fixed on platen (114) on the body frame (89) of reaping part (8) with bolt (115), piston rod (118) front end of oil hydraulic cylinder (9) is connected with platen (114), thereby can make the simple shapeization of the body frame (89) of reaping part (8), adopt cheap platen (114) to connect oil hydraulic cylinder (9), can reduce the manufacturing cost of body frame (89).

From above embodiment as can be known, combine of the present invention, reaping part (8) in the body front side is provided with the not portion that props up (30) of harvested cereal culm that draws in, cut off the cutter of harvested cereal culm root (10) not and the conveyer (11) of paddy stalk that has gathered in to lay across the posture supporting and to be transported, shelling portion (4) at the body rear side is provided with carry out the threshing cylinder (5) of shelling for the paddy stalk that comes from reaping part (8), separate the sorting mechanism (38) that takes out with the grain of the shelling thing that will fall this threshing cylinder (5) below with the grass bits, in board (3) front straight that traveling crawler (1) is installed fulcrum platform (6) is being set on the spot, this fulcrum platform (6) is by the rotating fulcrum axle (7) of fulcrum supporting reaping part (8), and oblique forward below, this fulcrum platform (6) upper end also can open and close freely.Tiltedly ground, below is open forward owing to make fulcrum platform (6), under the state that reaping part (8) lands, as long as traveling crawler (1) is retreated, just can break away from rotating fulcrum axle (7), otherwise, advance by traveling crawler (1), just rotating fulcrum axle (7) can be embedded on the fulcrum platform (6).Do not need special equipment just can easily carry out the handling operation of reaping part (8), make and unload the maintenance activity simplification that reaping part (8) carries out.

Because it is that the oil hydraulic cylinder (9) that makes reaping part (8) lifting is being set, and be fixed on platen (114) on the body frame (89) of reaping part (8) with bolt (115), piston rod (118) front end of oil hydraulic cylinder (9) is connected with platen (114), thereby can make the simple shapeization of the body frame (89) of reaping part (8), adopt cheap platen (114) to connect oil hydraulic cylinder (9), can reduce the manufacturing cost of body frame (89).

Because it is that the harvest frame (87) that cutter (10) are installed is forwards prolonged, and with the fixing careless plate (20) that divides of bolt (91), so, do not need the careless frame of branch before, can make the mounting structure simplification of the careless plate of branch (20), and the reduction manufacturing cost.

Because it is to be fixed on the careless plate of branch (20) being used for the above-mentioned careless bar of the branch that does not separate about harvested cereal culm (92) front end that makes, dividing careless bar (92) to be installed on the careless plate of branch (20), so, do not need the careless frame of branch before, can make the careless plate of branch (20) and divide the mounting structure of careless bar (92) to oversimplify and reduce manufacturing cost.

Because it is to be provided with to be used to transport the top transveyer (29) that is cut off the paddy stalk awns side of root by cutter (10), this top transveyer (29) transport cover (75), (76) are combined to form with iron flat board (83), (84) and square steel (85), (86), so, do not need punch process, can reduce the manufacturing cost of transporting cover (75), (76).

Because it is to be provided with the rake of giving cutter (10) harvested cereal culm not to go into to be with (23), this is harrowed into the cover (105) that transports above the band (23) and forms with iron flat board, its outer peripheral edges are bending upward slightly vertically, so, with transport the paddy stalk that cover (105) periphery slips, because the shape of bending and be not stuck in and transport cover (105) periphery upward, can with the paddy stalk with suitable posture harrow into and give cutter (10).

Because it is to be also used as to harrow and to go into to be with the supporting member (102) of (23) transporting supporting member (94) by the bottom transveyer (24) of the paddy stalk of cutter (10) cut-outs clampingly, so, can make bottom transveyer (24) and rake go into to be with the mounting structure of (23) simple, and reduce manufacturing cost.

Since it be the portion of propping up (30) prop up left and right sides width that not harvested cereal culm between the box (21) draws in portion slightly central part setting harvest frame (87), this harvest frame (87) releasably is installed with, so, except lining up the not harvested cereal culm that omits a straight line, when the paddy stalk of harvesting irregular alignment, just can easily reduce the not harvested cereal culm amount that is overwhelmed by the careless plate of branch (20) to harvest frame (87) and little shape by dividing careless plate (20) to unload.

Because it is to weld stiffener (872) in harvest frame (87) side, joint is fixed on stiffener (872) lateral margin on the harvest frame (87) and forms otch (873), so, after stiffener (872) has been installed, can easily be weldingly fixed on other member on the harvest frame (87) by above-mentioned otch (873).

Claims (3)

1. combine, on the reaping part of body front side, be provided with the not portion that props up of harvested cereal culm that draws in, cut off the cutter of harvested cereal culm root not and the conveyer of paddy stalk that has gathered in to lay across the posture supporting and to be transported, in the shelling portion of body rear side, be provided with supplying with the threshing cylinder that next paddy stalk carries out threshing from reaping part, separate with the grass bits with the grain of the shelling thing that will fall this threshing cylinder below, the sorting mechanism that takes out, it is characterized in that: the fulcrum platform on the spot is being set in the board front straight that traveling crawler is installed, the rotating fulcrum axle of this fulcrum platform axle supporting reaping part, this fulcrum platform upper end tilts downwards forward and can open and close freely;

Also be provided with the top transveyer, this top transveyer is used to transport the awns side of having been cut off the paddy stalk of root by cutter, and the cover that transports of this top transveyer is combined to form with iron flat board and square steel.

2. combine as claimed in claim 1 is characterized in that: be provided with the rake of giving cutter harvested cereal culm not and go into band, this cover that transports of harrowing above the band is formed by iron flat board, and its outer peripheral edges slightly vertically make progress and bend.

3. combine as claimed in claim 2 is characterized in that: the supporting member that transports clampingly by the bottom transveyer of the paddy stalk of cutter cut-out is also used as the supporting member that rake is gone into band.

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